A104715 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A104715 as a triangular array

										1
									3		3
								6		9		5
							10		18		15		7
						15		30		30		21		9
					21		45		50		42		27		11
				28		63		75		70		54		33		13
			36		84		105		105		90		66		39		15
		45		108		140		147		135		110		78		45		17
	55		135		180		196		189		165		130		90		51		19
66		165

A104715 as a square array

1	3	6	10	15	21	28	36	45	55	66
3	9	18	30	45	63	84	108	135	165
5	15	30	50	75	105	140	180
7	21	42	70	105	147	196
9	27	54	90	135	189
11	33	66	110	165
13	39	78	130
15	45	90
17	51
19

A104715 as an upper right triangle

1	3	6	10	15	21	28	36	45	55	66
	3	9	18	30	45	63	84	108	135	165
		5	15	30	50	75	105	140	180
			7	21	42	70	105	147	196
				9	27	54	90	135	189
					11	33	66	110	165
						13	39	78	130
							15	45	90
								17	51
									19

										1
									3		3
								6		9		5
							10		18		15		7
						15		30		30		21		9
					21		45		50		42		27		11
				28		63		75		70		54		33		13
			36		84		105		105		90		66		39		15
		45		108		140		147		135		110		78		45		17
	55		135		180		196		189		165		130		90		51		19
66		165

1	3	6	10	15	21	28	36	45	55	66
3	9	18	30	45	63	84	108	135	165
5	15	30	50	75	105	140	180
7	21	42	70	105	147	196
9	27	54	90	135	189
11	33	66	110	165
13	39	78	130
15	45	90
17	51
19

1	3	6	10	15	21	28	36	45	55	66
	3	9	18	30	45	63	84	108	135	165
		5	15	30	50	75	105	140	180
			7	21	42	70	105	147	196
				9	27	54	90	135	189
					11	33	66	110	165
						13	39	78	130
							15	45	90
								17	51
									19

										1
									3		3
								6		9		5
							10		18		15		7
						15		30		30		21		9
					21		45		50		42		27		11
				28		63		75		70		54		33		13
			36		84		105		105		90		66		39		15
		45		108		140		147		135		110		78		45		17
	55		135		180		196		189		165		130		90		51		19
66		165

1	3	6	10	15	21	28	36	45	55	66
3	9	18	30	45	63	84	108	135	165
5	15	30	50	75	105	140	180
7	21	42	70	105	147	196
9	27	54	90	135	189
11	33	66	110	165
13	39	78	130
15	45	90
17	51
19

1	3	6	10	15	21	28	36	45	55	66
	3	9	18	30	45	63	84	108	135	165
		5	15	30	50	75	105	140	180
			7	21	42	70	105	147	196
				9	27	54	90	135	189
					11	33	66	110	165
						13	39	78	130
							15	45	90
								17	51
									19

										1
									3		3
								6		9		5
							10		18		15		7
						15		30		30		21		9
					21		45		50		42		27		11
				28		63		75		70		54		33		13
			36		84		105		105		90		66		39		15
		45		108		140		147		135		110		78		45		17
	55		135		180		196		189		165		130		90		51		19
66		165

1	3	6	10	15	21	28	36	45	55	66
3	9	18	30	45	63	84	108	135	165
5	15	30	50	75	105	140	180
7	21	42	70	105	147	196
9	27	54	90	135	189
11	33	66	110	165
13	39	78	130
15	45	90
17	51
19

1	3	6	10	15	21	28	36	45	55	66
	3	9	18	30	45	63	84	108	135	165
		5	15	30	50	75	105	140	180
			7	21	42	70	105	147	196
				9	27	54	90	135	189
					11	33	66	110	165
						13	39	78	130
							15	45	90
								17	51
									19